{"id":"eip3009.base.auths.24h.v1","title":"EIP-3009 authorisations on Base USDC, last 24 hours","unit":"authorisations","chain_set":"eip155:8453 (Base)","window":"rolling 24 hours, ending at the newest block read","definition":"Every AuthorizationUsed event emitted by Base USDC in the window: each one is a payment the payer signed off-chain (transferWithAuthorization or receiveWithAuthorization) that someone else submitted. x402's exact scheme settles this way, and so do other gasless payments.","method":"afg-eip3009, hourly: eth_getLogs for AuthorizationUsed on the USDC contract, one hour of blocks per call, from a cursor; each authorisation is paired with the USDC Transfer that follows it in the same transaction (payer-filtered eth_getLogs over the same blocks). First full day 20-21 Oct 2026: 300,164 authorisations, every one paired.","excludes":["Other tokens and other chains.","Payments that do not use EIP-3009 (plain transfers, Permit2, smart-account calls)."],"does_not_assert":["That every authorisation is an x402 payment: see x402.base.facilitated.share.24h.v1 for the part submitted by listed x402 facilitators.","Who the payers or payees are."],"source":"AFG-Pulse EIP-3009 rail","since":"2026-10-21","revisions":[],"body_sha256":"9b78d9417577ea2db5f589d4ca96bb08f73d24e4a2c10506db78253cbd21966c","url":"https://agenticfinancegraph.com/def/eip3009.base.auths.24h.v1","ladder":"https://agenticfinancegraph.com/ai-agent-liveness-methodology-l0-l9-ladder","license":"https://creativecommons.org/licenses/by/4.0/","attribution":"Agentic Finance Graph — https://agenticfinancegraph.com"}